<!--  -->
<template>
  <div id="login_container">
    <div class="login_box">
      <div class="avtar_box">
        <img src="../assets/logo.png" alt="" srcset="" />
      </div>
      <el-form
        label-width="0px"
        class="login_form"
        :model="loginForm"
        :rules="rules"
        ref="loginFormRef"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-user"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            prefix-icon="iconfont icon-3702mima"
          ></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login()">登录</el-button>
          <el-button @click="resetloginFormRef()"> 重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  components: {},
  data() {
    return {
      loginForm: {
        username: "admin",
        password: "123456",
      },
      //验证规则
      rules: {
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          { min: 3, max: 5, message: "长度在 3 到 10 个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
        ],
      },
    };
  },
  computed: {},
  watch: {},
  methods: {
    resetloginFormRef() {
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return;
        const  res  = await this.$http.post("login", this.loginForm);


        if (res.meta.status === 400)
          return this.$message.error("用户名不存在哦");
        this.$message({
          message: "登录成功",
          type: "success",
        });
        //登录之后将token存在sessionStorage
        window.sessionStorage.setItem("token", res.data.token);
        this.$router.push("/home");
        //通过编程试导航跳转路由地址主页
      });
    },
  },
  created() {},
  mounted() {},
  updated() {},
};
</script>
<style lang="less" scoped>
#login_container {
  background-color: #2b4b6b;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: relative;
  .avtar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    box-shadow: 0 0 10px #ddd;
    padding: 10px;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    .btns {
      display: flex;
      justify-content: flex-end;
    }
  }
}
</style>
